datagrid format

[EyeTalion]

I'm need to add a $ to one of my fields in the datagrid...heres the code I'm using to format the cell and get the data....anyone tell me how to add a $ to this field?

Dim grdColStyle4 As New DataGridTextBoxColumn()
        With grdColStyle4
            .HeaderText = "Receipt Amt"
            .MappingName = "transaction_amt"
            .Width = 100
            .Alignment = HorizontalAlignment.Center
            .ReadOnly = True
        End With